Filter cartridge



The FIGURE is a filter cartridge showing the new design.

The broken lines showing the filter cartridge are included for the purpose of illustrating environmental structure and form no part of the claimed design. The dash-dot-dash-dot broken lines on the filter cartridge of the FIGURE depict a lower boundary that indicates any portion of the filter beyond what is shown forms no part of the claimed design. The rear isometric view of the FIGURE forms no part of the claimed design. 

CLAIM The ornamental design for a filter cartridge, as shown and described. 